Revert "Remove scrim fade animation when returning to launcher."

This reverts commit dad8d4434d3fad9856ad607848872d87e642e997.

Reason for revert: Bottom scrim is still visible so it creates a hard line when animation starts

Change-Id: If3e2a8e0965d40924a475f077d3c42e64d4d382d
1 file changed